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<DIV><SPAN class=375342422-04032009>Jeff,</SPAN></DIV>
<DIV><SPAN class=375342422-04032009>I think you can get mercury contactors at
48V and above, up to 100A and three poles, from Mercury Displacement Industries,
<A href="http://www.mdius.com">www.mdius.com</A>.</SPAN></DIV>
<DIV><SPAN class=375342422-04032009>This company made the DC contactors used for
years in Ananda/APT/Pulse powercenters during the 1990s. Never known one to
fail. Mercury safely contained.</SPAN></DIV>
<P><SPAN lang=en-us>Allan Sindelar</SPAN> <BR><SPAN lang=en-us></SPAN><A
href="mailto:allan@positiveenergysolar.com"><SPAN lang=en-us><U></U><U><FONT
color=#0000ff size=2>allan(at)positiveenergysolar.com</FONT></U></SPAN></A><SPAN
lang=en-us></SPAN> <BR><SPAN lang=en-us><FONT size=2>NABCEP</FONT> <FONT
face=Arial size=2>C</FONT><FONT face=g size=2>ertified</FONT> <FONT face=Arial
size=2>S</FONT><FONT face=g size=2>olar PV</FONT> <FONT face=Arial
size=2>I</FONT><FONT face=g size=2>nstaller</FONT></SPAN> <BR><SPAN
lang=en-us><FONT face=g size=2>Positive Energy, Inc.</FONT></SPAN> <BR><SPAN
lang=en-us><FONT face=Arial size=2>3201 Calle Marie</FONT></SPAN> <BR><SPAN
lang=en-us><FONT face=g size=2>Santa Fe NM 87507</FONT></SPAN> <BR><SPAN
lang=en-us><FONT face=g size=2>505 424-1112</FONT></SPAN> </P>
<DIV></DIV>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left><FONT face=Tahoma
size=2>-----Original Message-----<BR><B>From:</B>
re-wrenches-bounces@lists.re-wrenches.org
[mailto:re-wrenches-bounces@lists.re-wrenches.org] <B>On Behalf Of </B>Jeff
Blick<BR><B>Sent:</B> Wednesday, March 04, 2009 3:17 PM<BR><B>To:</B>
re-wrenches@lists.re-wrenches.org<BR><B>Subject:</B> [RE-wrenches] low voltage
disconnect relay<BR><BR></FONT></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Hi
wrenches,<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">I am working on a project that
involves a large UPS system. The UPS system is powering all DC loads, and
as such the batteries will be connected directly to the backup loads
panel. I am wondering if any of you are familiar with a relay that will
operate as a low voltage disconnect/reconnect. We are using stacks of
three xantrex xw inverter/chargers for each back up battery bank. Do any
wrenches know of a relay that would work for this configuration (48 volt battery
bank)? I thank you all for your time and
expertise.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Jeff
Blick</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Lead PV
Installer</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Sunlight Solar Energy,
Inc.</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">direct:
541-306-4196</SPAN></FONT><o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">fax:
541-322-1911</SPAN></FONT><o:p></o:p></P>
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style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><A
href="mailto:jeff.blick@sunlightsolar.com">jeff.blick@sunlightsolar.com</A></SPAN></FONT><o:p></o:p></P>
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